SB2013042220 - Input validation error in Ruby on Rails
Published: April 22, 2013 Updated: September 29, 2025
Security Bulletin ID
SB2013042220
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2013-3221)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the application does not ensure that the declared data type of a database column is used during comparisons of input values to stored values in that column. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- http://openwall.com/lists/oss-security/2013/02/06/7
- http://openwall.com/lists/oss-security/2013/04/24/7
- http://pl.reddit.com/r/netsec/comments/17yajp/mysql_madness_and_rails/
- http://www.phenoelit.org/blog/archives/2013/02/index.html
- https://gist.github.com/dakull/5442275
- https://groups.google.com/group/rubyonrails-security/msg/1f3bc0b88a60c1ce?dmode=source&output=gplain